The Hip Roof Sheathing calculator computes the number of 4x8s need to cover the surface area of a hip roof based on the dimensions. The surface area includes the four sides (faces).
INSTRUCTIONS: Choose units and enter the following:
- (S) Span of Roof
- (L) Length of Roof
- (P) Pitch (choose pitch from list)
- (oH) Overhang
Hip Roof Sheathing (sA): The calculator returns the area in square feet (ft2) and the number of 4x8s sheets to cover roof.
Plywood and OSB Price Survey Information
The following is web survey of 4x8 sheets of plywood and OSB. It provides the date of the web survey, the store and several price points on items that were advertised on the store's website. This is for convenience only. Local pricing should ALWAYS be used!
- Survey Date: 12/4/23
- Survey Store: Menards
- Price of 4x8 3/4" Plywood: $39.68 USD
- Price of 4x8 5/8" Plywood: $34.8 USD
- Price of 4x8 1/2" Plywood: $29.7 USD
- Price of 4x8 3/8" Plywood: $26.89 USD
- Price of 4x8 1/4" OSB: $16.39 USD
- Price of 4x8 3/4" Pressure Treated Plywood: $56.59 USD
- Price of 4x8 1/2" Pressure Treated Plywood: $47.79 USD
NOTE 2: Some stores carry plywood and OSB with thicknesses 1/32nd smaller than others. Therefore, 3/4" might be represented by 23/32", 5/8" by 19/32", 1/2" by 15/32", and 3/8" by 11/32".
CAUTION: The pricing information provided is for calculating convenience with NO implied guarantees to the accuracy of the values listed. Authoritative sources should be sought to confirm any value before risking health or wealth on the veracity of the data. Furthermore, Calc gives no guarantee that you will be able to buy products at listed prices or even if they will be available. The data provided is purely a convenience for making estimates, so we strongly recommend that one ALWAYS use local pricing and authoritative specifications.
The Pricing Data can be used for the Subflooring Material Cost Calculator, CLICK HERE or in the Cost of Plywood Calculator,CLICK HERE.
The Math / Science
A hip roof is basically a rectangular trapezoid volume has regular trapezoids in the front and back and triangles on the sides. The bottom and top rectangles are centered, form parallel planes and separated by the height.
Roof Types
